17th century northern schoolNorthern schoolBuilded river landscape Brown ink and pen , brown wash and white gouache highlights on beige paper. Traces of initials in the lower right-hand corner of poorly legible inscriptions Joos Momper (drawing doubled, partially stylized, slightly insulated) . 22,5 x 22,5 cmProvenance : Sale Ader, Picard, Tajan, Paris, December 3, 1971, n° 11 (old sales label on the back with a handwritten note) .